package models

import (
	"errors"
	"fmt"
	"reflect"
	"strings"

	"github.com/astaxie/beego/orm"
)

type Clients struct {
	Id       int    `orm:"column(id);auto"`              //
	Name     string `orm:"column(name);size(255)"`       //公司名称
	Pname    string `orm:"column(pname);size(255);null"` //联系人
	Ifc      int    `orm:"column(ifc)"`                  //0公司 1个人
	Valid    int    `orm:"column(valid)"`                //0有效 1无效
	Province int    `orm:"column(province)"`             //省
	City     int    `orm:"column(city)"`                 //市
	District int    `orm:"column(district)"`             //县区
	Street   string `orm:"column(street);size(255)"`     //详细地址
	Phone    string `orm:"column(phone);size(30)"`       //手机
	Telp     string `orm:"column(telp);size(30)"`        //座机
	Qq       string `orm:"column(qq);size(60)"`          //QQ
	Email    string `orm:"column(email);size(255)"`      //邮箱
	Watch    string `orm:"column(watch);size(255)"`      //微信
	Ctime    int    `orm:"column(ctime)"`                //创建时间
	Ifz      int    `orm:"column(ifz)"`                  //客户忠诚度（0一般 1好 2很好 3非常好）
	Utime    int    `orm:"column(utime);null"`           //修改时间
	Ctype    int    `orm:"column(ctype);null"`           //类型（0供应商 1客户）
}

func (t *Clients) TableName() string {
	return "my_clients"
}

func init() {
	orm.RegisterModel(new(Clients))
}

// AddClients insert a new Clients into database and returns
// last inserted Id on success.
func AddClients(m *Clients) (id int64, err error) {
	o := orm.NewOrm()
	id, err = o.Insert(m)
	return
}

// GetClientsById retrieves Clients by Id. Returns error if
// Id doesn't exist
func GetClientsById(id int) (v *Clients, err error) {
	o := orm.NewOrm()
	v = &Clients{Id: id}
	if err = o.Read(v); err == nil {
		return v, nil
	}
	return nil, err
}

func GetClientsByCtype() (l []Clients, err error) {
	o := orm.NewOrm()
	_, err = o.QueryTable(new(Clients)).Filter("Ctype", 0).All(&l)
	return
}

func GetClientsCByCtype() (l []Clients, err error) {
	o := orm.NewOrm()
	_, err = o.QueryTable(new(Clients)).Filter("Ctype", 1).All(&l)
	return
}

//获取总条数
func GetClientsCount(query map[string]string) (count int64, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(Clients))
	// query k=v
	for k, v := range query {
		// rewrite dot-notation to Object__Attribute
		k = strings.Replace(k, ".", "__", -1)
		if strings.Contains(k, "isnull") {
			qs = qs.Filter(k, (v == "true" || v == "1"))
		} else {
			qs = qs.Filter(k, v)
		}
	}
	count, err = qs.Count()
	return
}

// GetAllClients retrieves all Clients matches certain condition. Returns empty list if
// no records exist
func GetAllClients(query map[string]string, fields []string, sortby []string, order []string,
	offset int64, limit int64) (ml []interface{}, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(Clients))
	// query k=v
	for k, v := range query {
		// rewrite dot-notation to Object__Attribute
		k = strings.Replace(k, ".", "__", -1)
		if strings.Contains(k, "isnull") {
			qs = qs.Filter(k, (v == "true" || v == "1"))
		} else {
			qs = qs.Filter(k, v)
		}
	}
	// order by:
	var sortFields []string
	if len(sortby) != 0 {
		if len(sortby) == len(order) {
			// 1) for each sort field, there is an associated order
			for i, v := range sortby {
				orderby := ""
				if order[i] == "desc" {
					orderby = "-" + v
				} else if order[i] == "asc" {
					orderby = v
				} else {
					return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
			qs = qs.OrderBy(sortFields...)
		} else if len(sortby) != len(order) && len(order) == 1 {
			// 2) there is exactly one order, all the sorted fields will be sorted by this order
			for _, v := range sortby {
				orderby := ""
				if order[0] == "desc" {
					orderby = "-" + v
				} else if order[0] == "asc" {
					orderby = v
				} else {
					return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
		} else if len(sortby) != len(order) && len(order) != 1 {
			return nil, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
		}
	} else {
		if len(order) != 0 {
			return nil, errors.New("Error: unused 'order' fields")
		}
	}

	var l []Clients
	qs = qs.OrderBy(sortFields...)
	if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
		if len(fields) == 0 {
			for _, v := range l {
				ml = append(ml, v)
			}
		} else {
			// trim unused fields
			for _, v := range l {
				m := make(map[string]interface{})
				val := reflect.ValueOf(v)
				for _, fname := range fields {
					m[fname] = val.FieldByName(fname).Interface()
				}
				ml = append(ml, m)
			}
		}
		return ml, nil
	}
	return nil, err
}

// UpdateClients updates Clients by Id and returns error if
// the record to be updated doesn't exist
func UpdateClientsById(m *Clients) (err error) {
	o := orm.NewOrm()
	v := Clients{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Update(m, "Name", "Pname", "Ifc", "Valid", "Province", "City", "District", "Street", "Phone", "Telp", "Qq", "Email", "Watch", "Ctime", "Ctype"); err == nil {
			fmt.Println("Number of records updated in database:", num)
		}
	}
	return
}

// DeleteClients deletes Clients by Id and returns error if
// the record to be deleted doesn't exist
func DeleteClients(id int) (err error) {
	o := orm.NewOrm()
	v := Clients{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Delete(&Clients{Id: id}); err == nil {
			fmt.Println("Number of records deleted in database:", num)
		}
	}
	return
}
